fix weighted lb #475

	on:
	push:
	branches:
	- master
	- dev
	- dev_fix
	pull_request:
	branches:
	- master
	- dev

	name: build

	env:
	GOPATH: /home/runner/go
	GO111MODULE: on

	jobs:
	testing:
	strategy:
	matrix:
	go-version: [1.16.x,1.17.x,1.18.x,1.19.x,1.20.x,1.21.x]
	platform: [ubuntu-latest]
	runs-on: ${{ matrix.platform }}
	steps:
	- name: Checkout code
	uses: actions/checkout@v3

	- name: Install Go
	if: success()
	uses: actions/setup-go@v3
	with:
	go-version: ${{ matrix.go-version }}

	- name: Run tests
	run: \|
	echo "GOPATH >>> $GOPATH"
	echo "pwd >>> $PWD"
	mkdir -p $GOPATH/src/github.com/weibocom/
	cp -R ../motan-go $GOPATH/src/github.com/weibocom/
	cd $GOPATH/src/github.com/weibocom/motan-go
	go mod tidy
	go test -v -race $(go list ./... \| grep -v main)
	codecov:
	name: codecov
	runs-on: ubuntu-latest
	steps:
	- name: Set up Go 1.16
	uses: actions/setup-go@v3
	with:
	go-version: 1.16.x
	id: go

	- name: Checkout code
	uses: actions/checkout@v3

	- name: Generate coverage report
	run: \|
	echo "GOPATH >>> $GOPATH"
	echo "pwd >>> $PWD"
	mkdir -p $GOPATH/src/github.com/weibocom/
	cp -R ../motan-go $GOPATH/src/github.com/weibocom/
	cd $GOPATH/src/github.com/weibocom/motan-go
	go mod tidy
	go test -v -race -coverprofile=coverage.txt -covermode=atomic $(go list ./... \| grep -v main)

	- name: Upload coverage report
	uses: codecov/codecov-action@v1.0.2
	with:
	token: "282c293b-ab38-4ea6-8518-b44f78df02eb"
	file: ./coverage.txt
	flags: unittests
	name: codecov-umbrella

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